Mazda 6 Service Manual: No.4 air intake mode does not change

Mazda 6 Service Manual / Heater and air conditioner systems / Troubleshooting / No.4 air intake mode does not change

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while performing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.

Diagnostic procedure

No.3 amount of air blown from vents does not change

Manual Air Conditioner Diagnostic procedure ...

No.5 no temperature control with climate control unit

Diagnostic procedure ...

Other materials:

Mazda 6 Service Manual: Foreword
Outline There are two on-board diagnostic functions: Operation mode, which inspects for and indicates correct operation of the input signals to the control module, and condition detection mode, which indicates troubles in the system. The two functions can be done using either of the f ...

Mazda 6 Service Manual: Dsc hu/cm removal/installation
Caution When replacing the DSC HU/CM, configuration procedure must be done before removing the DSC HU/CM. If configuration is not completed before removing the DSC HU/CM, DTC B2477 will be detected. Do not drop the DSC HU/CM. Replace it if it is subjected to an impact. 1. Configura ...